Home / 4,525.50-6,789.69-1,447.50

Finding the Fourth Proportional to 4,525.50, 6,789.69 and 1,447.50

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Solution

The fourth proportional to 4,525.50, 6,789.69 and 1,447.50 is: 2,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.50 : 6,789.69 = 1,447.50 : x
  2. Step 2: Convert to fraction form
    4,525.50/6,789.69 = 1,447.50/x
  3. Step 3: Cross multiply
    4,525.50x = 6,789.69 × 1,447.50
  4. Step 4: Simplify right side
    4,525.50x = 9,828,076.28
  5. Step 5: Solve for x
    x = 9,828,076.28/4,525.50
  6. Step 6: Final answer
    x = 2,171.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.